44499271680 has 408 divisors, whose sum is σ = 157033543680. Its totient is φ = 11654922240.

The previous prime is 44499271679. The next prime is 44499271697. The reversal of 44499271680 is 8617299444.

44499271680 is a `hidden beast` number, since 4 + 4 + 499 + 2 + 71 + 6 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232980385 + ... + 232980575.

Almost surely, 2^44499271680 is an apocalyptic number.

44499271680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44499271680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78516771840).

44499271680 is an abundant number, since it is smaller than the sum of its proper divisors (112534272000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44499271680 is an equidigital number, since it uses as much as digits as its factorization.

44499271680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 44499271680 in words is "forty-four billion, four hundred ninety-nine million, two hundred seventy-one thousand, six hundred eighty".